Gas-torch.



8.1.1. MUELLEB.

, GAS TORCH.l APPL'ICAYION FILED JAN.?\1915.

Patented Apr. 10, 1917.

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Wtwssesfl rml WM rfa/m,

UNITED STATES' PATENT OFFICE.

nUboLPH .1. J. MUELLEB., oF SHEBOYGAN, wlscoNsIN, Asszconon 'ro UNIVERSAL OXYGEN coMrANY, or snEBoYcAN, WISCONSIN, A CORPORATION or wIscoNsIN.

GAS-Tonen;

Application tiled January 7, 1915.

To all whom z't may concern.'

Be it known that I, RUDOLPH J. J. Monnnnn, a ctiien of 'th United States` residing at Sheboygan, in t e county of Sheboygan and State f Wisconsin, have invented certain new and useful Improvements in Gas- Torclies, of which the following is a specilication, reference being had to the accomparllziylilng drawing, forming a part thereof.

y, s invention relates to blow pipes or torches in which oxygen and an infiammable gas or mixture of gases such as hydrogen md acetylene, are used for Welding, autof and -removing and vreplacing parts thereof and of their connections; to facilitate regulation and control of the supply of gases t0 the nozzle; and generally to improve the construction 'and operation of torches of this class.

It consists in the construction, arrange- ,ment and combination of parts as hereinafter particularly described and pointed out in the claims. L

In the'accompanying drawing like charaoters'designate the same parts in the several Ire 1 is a side elevation of a torch elnllgilying the invention, arts being `broken away and shown in section indicated ,bythe lines 1 -1, Fig. 2; Fig. 2 is a longitudinalsection of thetorch on the line 2;-2,

Fig; 1; Figa-3 is-a sectional view of a hose cbiipling for connecting the torch with reserveins containing di'ilerent gases; Fig. 4 is a longitudinal section on the line 4-.4, Fig. 2, of he regulating and vstop valve case and associated parte; Fig. 5 is a detached view, partly in section, of the nozzle;` Fig.' 6 is an enlarged cross section of the tubular handle shank n'the line 6 -6, Fig. 1; Fig. 7 is a closs'sectlon of they valve case on theiline 7-'7, V1, showin the` regulating'valves; and Fig. 8 is an en yarg'ed cross section on 'the Erla-8, Fig. 1, of the tubular handle and iii-closed gas tubes.

The torch comprises a tubular or hollow handle' 1, *pireferaioly of cylindrical form,

Specification of Letters Patent.

Serial No. 89

provided at one endwith a coupling head, 2, and at the other end with a valve case 3i., The head 2 and valve case 3 are. formedwith' parallel longitudinal gas passages 4 and 5, which are connected by tubes 6, lead-iing len thwise through the -liandletube'L4 and, tig tly fitted 1t the ends into enlargements of the passages in the head andfvalve case. The passagfs 5 are intcrscted 'by a conical or taperiii bore which transversely throng i the-valve case 3, and in which is fitted conical or tapering stop valve 7 The valvey 7 is formed as shown in Fig. 2, with transverse ports or passages arranged to register with the passages and to simultanemsly open or close tlnean..

At its` larger end the valve 7 is prov'dcd with a knurlcd head or handle 8, andnlie'- tween the head or handle andthe valvecase,V with a stop pin or lug 9, which by engagement with pins o1y lugs 10 and 11 on the case, limits the rotary movement of 'the valve` and determines its i)pen and closed positions.

At its smaller ond, which is reduced and,`

threaded, the valic 7 is provided with a washer and nuts lil, for holding it in place and maintaining a close working fit between it and its seat in tle case 3.

At their front ends the passages 5 open into upwardly extending and diverging bores forming valve chambers 13, in which are threaded the stems of regulating valves- 14. Below their intersections with the passages 5 the valve chambers are formed with seats for the valves: 14, and below said seats communicate with separat-e transverse hores 15, which for conveniencel of construction Pa tontetl Apr. 10, 1917;I

extends i are closed at the outer ends by plugs, asl shown in Fig. 7, and which communicate with passages 16 l( ading therefrom thro 'h' the front end of the valveV case uf'Tie i threaded'stems of the regulatingvalvesj'M,

passino' upwardly throughjstufling boxes and glands 17 on the valve case, areprovided at their upper ends with knurlcd heads or handles 18.

At its front end :he valve case 3 is.-1orr'n ed` with a reduced c) ternally threaded extension4 with which a tubulaisllanlc 19 is detachahly connected by a coupling nut- .20;V The shank t9 is lormed with longitudinall passages 2], which are connected with pas-f sages 16 in the valve case-by short metal fuhr-5.22. fitting luto enlargmxents of the" passages, :1 soft nutal `packing washer being' `formed therefor inf the Socket in which -a interposedjbetween the valve case and the end ofthe shank 19, which fits into a socket valve case.4 A dowel socket of the valve' aging with a hole in the c nd 19, as shown in Fig. 4, 1nregistratio'n of the passages s 16 when the parts are coupled together, as shown in Fig. 2. At

pinY 28, secured' in the case and, en of the-sha 'its o posite or. front end they shank 19 is" tight y iitted'H and secured in the tubular neck of a pivoty head-24, which is formed withl a mixing chamber and passage `2,5, the passages l21V and opening at the other end through one side of the head, as shown in Fig, 2. The head-24,. which is'preferably of substantially .circular shape,' is formed with a central pivot and clamping bolt .26 is threaded. On this bolt a head 27 ofa nozzle 28, is

which is preferably of circular shape to onesid'e as shown correspond with tl in Fig. 5, with a circular or .curved channel 29, concentric with tho pivot bolt26, andiadapted to register in different angularpositions ofthe nozzle with the outlet opening of the passagev25. The channel 29 communicates on one side with the bore of the nozzle, which is preferably provided with a detachable tip 3'0,`for the purpose of renewing the same. if it is burned ornjured, or replacing ing'a larger or smaller jet orice.

The head 2, as shown in Figs. 1 and 2, is extended beyond the handle tube l, and

h as a coupling nut 31,- threaded thereon,

for detachably connecting a ilexible pipe or hose 32, with the torch. The flexible pipe or hose 32,A which has two longitudinal gas passages, maybe two rubber ltubes 33, which form 'the separate gas passages, and are inclosed in a protecting 'sheathfof woven lwire or other suitablev material, with a filling of asbestos or other material surrounding the tubes within thev sheath'. At its ends the pipe or hose 32 is provided with flanged ferrules orjsleeves 34, which are detachablvconnected withv eirterl'i'all.;rv threadedY hcadsv uand v36 by cougling nuts 37, as 'shovvnlihi Figs.

2 and 3. he heads'BS-and 36 are formed *A Y- lwithgas passages 38, and are provided with 4 g 5S short metal tubes39, tightly fitted and se- ;cured therein and extending therefrom, the ends ofthe rubber tubes 33 being drawn overV the projecting ends ofthe tubes 39 within efel-rules or sleeves 34.' The head'35 `is provided, as shown in'Figs. A1 and 2, with a neck 40, having lonitudinal passages 41 corresponding with and adapted to connect the passages4 in the 'head 2, and the passages 38 in the head .35. This neck is formed ad]acent to-one end, which is fitted in. a socket' inthe'head 2, with an. external collar pivoted. The nozzle head,

e head 24, is'formed in,

it with al tip hav'-l -constructed vas shown, ofl

or shoulder for engagementl Blby which the pipe or hose 32 is detach` ably connected with the head 2. -A Washerl or gasket 42, of suitable packing material, is interposed between the head 2 and the neck 40, to form gas tight joints between the passages 4 and 41, holes being'formed in the gasket o r washer corresponding with said' passages To 4insure proper registration of the passages 41- with the passages 4' when thepipe or hose 32 is connected with the torch,- the head 2, as is provided' with a dowel pin 43, fitting into a socket or hole in the neck 40. The head 36 is 3, with divergent nipplesk 4.4, which come municate with the passages 3S, and to which rubber tubes 45 are attached, for connecting the pipe or'hose 32v with drums or reserwith l nut i shown in Fig. 1,

provided, as shown .in Fig.` .80

and hydrogen, acetylene or other hydrocarbon oi' combustible gas such as. i torches of this class. i The flexible connections and' cmiplings as 'herein shown and described,.not only perihit the torch to be used by the' operator with freedom in various positions. and yat different distances and in different direc#t tions from the gas tanks or reservoirs, .biit' alsofacilitate changing torches and repla ing or repairing tions which'may be defective. 1 4 vl In the operation-of the torch,the lnozzle anay be readily-set latany desired-.angle to the handle for the most convenient manipulation thereof according. to tions, by loosening the bolt 26, which is then tightened to hold the nozzlesecurely in v'its adjusted position' relative to the handle.`

The quantity of each proportions of the gases v supplied to the nozzle are varied by the adjustmentof the regulating valves 14, the handles 18 of which are closely associated with each other and Within constant and easy reach ofthe operator While the torch is in use. The supply of both gasesto the nozzle is instantly cut oi without disturbing the adjustment of the. regulating valves 14, ,by turning the valve 7, the handle-of which" .is close to the handles'of valves, and like them, accessiblev while the :torch is in use, the closed position of the valve being'determined by of itsfports register the valve case 3, as

struction and arrangement of parts be made' without departure from the principle varying condifgas and lthe :relative with the stop pin 10. In this'po- Various changes in minor details of cen-' vNo shank in communication with and scope of the invention as del-ined in the i following claims.

I clalrn: i 1. In a gas torch the combination of a "handle provided at one end with a coupling head and at the other end witha valve case,

and having "longitudinal gas passages connected with corresponding passages in said .head and case, a nozzle, a tubular shank having longitudinal passages connecting the nozzle with the correspondin side, and a stop valve fitted in said case close to the regulating valves and adapted to simultaneously open or close said passages.

' 2.111` a gas torch the combination of a handle having longitudinal gas passages and providedat one end with a valvecase having` passages communicating with the passa es in the handle, a tubular shank connectccI with thefhandle and having a mixing chamber and passages connecting said chamber with the corres ending passages in the valve -V case', a nozzle connected with said the mixing chamber independently, adjustable valves fitted sidel by side in said case for separatel l regulating the supply of gases therethrou t to the nozzle, and-a stop valve fitted in said case close to the regulating valves and 4 adapted to simultaneously open or close the gas passages without disturbing the adjustment of t e regulating valves.

3. Inr a gas torch the combination of ay passages in i the val-ve case, independent y adjustable regulating valves controlling the gaswpas- ,sages in the 'valve case and located side by' handle havinga longt udinal gas assages and provided atene eid with a 'va ve casehaving passages communicating with the passages in the handle, a tubular shank detachably connected al .one end with the handle and having passages communicating with the corresponding assages in the valve case, a nozzle detacha ly connected wlth the other end of said shank infcommunica tion with the gas passages therein, inde, 4

loiendently adjustable regulating valves se arately controlling the gas passages int e yvalve case, and a step valve adapted to simultaneously open and close said assages independently of the regulating va ves.

4. In a gas torch the combination of a handle provided wit'ii longitudinal as passages, a nozzle havi ng a shank provi ed with passages communicating with the passages in the handle at one end thereof, 'a flexible pipe having corresponding longitudinal gas passa es, und a coupling comprising two separa le members, one attached to the otherI end of the handle and theA other to said pipe, and having registering pas-` sages communicating with the passages in the handle'and pipe respectively, and a nut yswiveled on one` member Iand threaded on thefother.

@In witness whereof I hereto RUDOLPH U. 1Witnesses:

J; 'MUELLER v ailix my signature 1n presence of two witn ss-f; 

